Martha Frick Sanger (née Symington; born 1944) is an American writer and the great-granddaughter of Henry Clay Frick. She is also the older sister of Fife Symington III, the former Governor of Arizona.
Works
Maryland Blood: An American Family in War and Peace, (Baltimore: Maryland Historical Society, 2016)
Helen Clay Frick: Bittersweet Heiress, biography (Pittsburgh: University of Pittsburgh Press, 2007)
The Henry Clay Frick Houses: Architecture-Interiors-Landscapes In the Golden Era, nonfiction (New York: Monacelli Press, 2001)
Henry Clay Frick: An Intimate Portrait, biography (New York: Abbeville Press, 1998)